Finding the Third Proportional to 56,555,752 and 89,697,516

Step by Step Solution

1. Step 1: Write the proportion equation
   56,555,752 : 89,697,516 = 89,697,516 : x
2. Step 2: Convert to fraction form
   56,555,752/89,697,516 = 89,697,516/x
3. Step 3: Cross multiply
   56,555,752x = 89,697,516 × 89,697,516
4. Step 4: Simplify right side
   56,555,752x = 8,045,644,376,570,256
5. Step 5: Solve for x
   x = 8,045,644,376,570,256/56,555,752
6. Step 6: Final answer
   x = 142,260,408.39